VOL. XCIV, NO. 247
BEST INVESTING TOOLS COMPARISON
Source checks: OpenMarket checked September 30, 2026 · Uncle Stock checked September 24, 2026
Tool Comparison
OpenMarket vs Uncle Stock
Pick OpenMarket if
OpenMarket
Free • Paid plans available · Web · API
- Delayed quotes won't cut it; you need real-time data
- You want order book / level II, crypto derivatives, and webhooks.
Pick Uncle Stock if
Uncle Stock
Free • From $130/yr · Web · API
- You want screeners, financials, and valuation models.
- You're newer to investing and want something approachable
- You're a long-term investor who cares more about fundamentals than headlines
Skip both if: Neither one clicks with how you research; there are strong third options.
See alternativesOutbound links may include affiliate or sponsor codes.
Our take
The bottom line
OpenMarket and Uncle Stock cover a lot of the same ground (5 shared categories, including data visualizations, watchlist, and alerts), so for the basics you won't go far wrong with either. OpenMarket includes order book / level II and crypto derivatives, and Uncle Stock includes screeners and financials.
What readers say
OpenMarket
No votes yet. Cast the first one.
Uncle Stock
No votes yet. Cast the first one.
Key differences at a glance
- Real-time data
- OpenMarket
- Free trial
- Uncle Stock14 days
- Broker sync
- OpenMarket
- Asset coverage
- OpenMarketAdds currencies and commodities
- Beginner friendly
- Uncle Stock
- Free plan
- Both
See for yourself
How they stack up
The side-by-side table: pricing, platforms, data, and coverage at a glance.ShowHide
How they stack up
| Attribute | ||
|---|---|---|
| Pricing & plans | ||
Starting price | Free • Paid plans available | Free • From $130/yr |
Free tier | Yes | Yes |
Free trial | — | 14 days |
Plan limits | — | 12 limits: Bronze (Monthly): history years: 25, Bronze (Monthly): us history years: 35 +10 more |
| Platforms & access | ||
Web app | Yes | Yes |
Mobile app | No | No |
API access | Yes | Yes |
Broker sync | Yes | No |
Integrations | Discord, Telegram +2 more | — |
| Audience & fit | ||
Experience level | Intermediate, Advanced | Beginner, Intermediate, Advanced |
Best for | — | Retail Traders, Pro Retail +2 more |
Categories covered | 10 | 11 |
Regions | — | North America, Europe, APAC, LatAm, Middle East, Africa |
| Data & capabilities | ||
Data quality | Latency: Streaming and Granularity: Tick and Minute | Granularity: EOD |
Data partners | — | 3 partners: Sharadar, EOD Historical Data +1 more |
Capabilities | — | Universe builder |
| Try it | Visit OpenMarket | Visit Uncle Stock |
Where each one shines
What OpenMarket and Uncle Stock each do best.ShowHide
Where each one shines
What OpenMarket does best
- Chart multiple markets with technical indicators, drawing tools, and configurable workspaces.
- Study order-book heatmaps, volume footprints, cumulative volume delta, funding, open interest, and liquidations.
- Track symbols in watchlists with sections, flags, notes, and a TradingView importer.
- Receive price and prediction-market odds alerts in-app, by email, webhook, Discord, or Telegram.
- Write custom indicators and strategies with kScript, using raw order-book arrays and multiple data sources.
What Uncle Stock does best
- The screener covers more than 100,000 stocks and about 4,000 searchable financial and valuation metrics.
- More than 15 valuation models include DCF, Graham, earnings power value, and residual income methods.
- Screens support metric conditions, Must, Should, and Exclude clauses, geography, industry, and multiple sort fields.
- Silver backtests screens with yearly rebalancing.
- Backtest settings include sector caps, sell rules, stop losses, rebalancing choices, and position-sizing methods.
Every detail we compared
Every tracked attribute for OpenMarket and Uncle Stock, side by side.ShowHide
Every detail we compared
| Attribute | ||
|---|---|---|
| Coverage & fit | ||
Asset types | StocksCryptosCurrenciesCommoditiesFuturesOther | StocksCryptos |
Experience | IntermediateAdvanced | BeginnerIntermediateAdvanced |
Target audience | Not specified | Retail TradersPro RetailLong-term InvestorsValue Investors |
Regions | Not specified | North AmericaEuropeAPACLatAmMiddle EastAfrica |
Coverage details | Not specified | Identifiers: Ticker |
| Data | ||
Data freshness | Streaming | Not specified |
Data granularity | TickMinute | EOD |
Data partners | Not specified | SharadarEOD Historical DataFinancial Modeling Prep |
| Access & integrations | ||
API protocols | RESTWebSocket | REST |
API auth & delivery | Auth: APIKeyDocs | Auth: APIKeyDocs |
Import methods | Not specified | Manual |
Integrations | DiscordTelegramHyperliquidAlpaca | Not specified |
Export formats | Not specified | CSV |
| Plans & trust | ||
Capability signals | Not specified | Universe builder |
Vendor & support | Thalamus Technologies, Inc.Country: United States | Castlefish BVCountry: BelgiumSupport: Chat, Email, Phone, and Forum |
Green tags are exclusive to that tool in this comparison.
What you'll actually pay
Plans, billing, trials, and per-month pricing for both tools.ShowHide
What you'll actually pay
| Tier | ||
|---|---|---|
| Free plan | Free“Free charting” | Free |
| Entry paid plan | Subscription“OpenMarket Plus” | $130/yr≈ $10.83/mo“Bronze (Yearly)”history years: 25 · us history years: 35 |
| Tier 2 | — | $210/yr≈ $17.50/mo“Silver (Yearly)”backtest rebalance: Yearly |
| Tier 3 | — | $20/mo“Bronze (Monthly)”history years: 25 · us history years: 35 |
| Tier 4 | — | $350/yr≈ $29.17/mo“Gold (Yearly)”api calls per month: 300 · mcp stock searches daily: Higher than Free; official pages conflict on 75 versus unlimited · +1 more |
| Tier 5 | — | $35/mo“Silver (Monthly)”backtest rebalance: Yearly |
| Top plan | — | $60/mo“Gold (Monthly)”api calls per month: 300 · mcp stock searches daily: Higher than Free; official pages conflict on 75 versus unlimited · +1 more |
| Free trial | — | 14 days |
Questions we keep getting
What's the difference between OpenMarket and Uncle Stock?
OpenMarket leans toward data visualizations, order book / level II, and crypto derivatives, while Uncle Stock puts more weight on screeners, backtesting, and data visualizations. They overlap in 5 categories, so for most people it comes down to workflow preference and price.
How much do OpenMarket and Uncle Stock cost?
Good news: both OpenMarket and Uncle Stock have free plans, so you can run them side by side and only pay if you hit a wall.
Which is better for beginners: OpenMarket or Uncle Stock?
Uncle Stock is the friendlier place to start; its interface takes less getting used to. Both work fine once you're past the basics.
Do OpenMarket and Uncle Stock have APIs?
Yes, both offer API access, so developers and quants can pull data programmatically or wire up their own integrations.
Should I choose OpenMarket or Uncle Stock?
It depends on what you're after. Pick OpenMarket if order book / level II and crypto derivatives matter to you; go with Uncle Stock if you'd rather have screeners and financials. And if you only need the basics both share, let price decide.
What asset classes do OpenMarket and Uncle Stock cover?
Both cover stocks and cryptos. OpenMarket also handles currencies, commodities, and futures.
Does OpenMarket or Uncle Stock have real-time data?
OpenMarket offers real-time data, which matters if you trade actively. Uncle Stock runs on delayed or end-of-day data, which is perfectly fine for longer-term investors who don't live and die by the tick.
Can I export data from OpenMarket and Uncle Stock?
Uncle Stock exports to CSV. OpenMarket is stingier about getting data out.
Can OpenMarket or Uncle Stock connect to my broker?
OpenMarket syncs with brokers automatically. With Uncle Stock, you're entering holdings by hand or importing files.
Which has a better stock screener: OpenMarket or Uncle Stock?
Uncle Stock has a stock screener for surfacing ideas; OpenMarket doesn't, and focuses its energy elsewhere.
Can I track my portfolio with OpenMarket or Uncle Stock?
Uncle Stock handles portfolio tracking. OpenMarket is really a research tool; you'd track your portfolio elsewhere.
Keep researching
Other tools you might like
Keep Exploring
Feedback
Spot stale pricing, missing features, or a comparison that feels off? Send feedback on the verdict, table, alternatives, or recommendation.
Curation & Accuracy
This directory blends AI‑assisted discovery with human curation. Entries are reviewed, edited, and organized with the goal of expanding coverage and sharpening quality over time. Your feedback helps steer improvements (because no single human can capture everything all at once).
Details change. Pricing, features, and availability may be incomplete or out of date. Treat listings as a starting point and verify on the provider’s site before making decisions. If you spot an error or a gap, send a quick note and I’ll adjust.